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f HEAT RADIATOR. No.r51,6,920. Patented Mar. 20, 1894.

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CHARLES I. DANGLER AND HENRY RUPPEL, OF CLEVELAND, OHIO, ASSIGNOR TO THEDANGLER STOVE AND MANUFACTURING COMPANY, OF SAME PLACE.

H EAT-RADIATO R.

SPECIFICATION forming part of Letters Patent No. 516,920, dated March20, 1894.

ApplicationiiledApril6,1893. Serial No. 469,242. (Nomodel.)

.To all whom it may concern:

Be it known that we, CHARLES I. DANGLEE and HENRY RUPPEL, citizens ofthe United States, residing at Cleveland, in the county of Cuyahoga andState of Ohio, have invented A certain new and useful Improvements inHeat- Radiators; and we do hereby declare that the following is a full,clear, and exact description of the invention, which will enable oth- 1oers skilled in the art to which it appertains to make and use the same.

Our invention appertains to heat radiators of the variety in which gasis employed as an agent for heating, and the invention herein I5 shownand described is a modication of the radiator set forth and claimed inour application executed on the 27th Aday of March, 1893, and bearingSerial No. 469,241, filed April 6, 1893. In the construction shown herezo a single burner tube is employed with a pair of circulating tubes,one upon each side thereof, and there are other differences ofconstruction in View of said application, all substantially as shown anddescribed herein and par- 2 5 ticularly pointed out in the claims.

In the accompanying drawings, Figure lis a vertical central sectionalelevation of our modied form of radiator, taken on line 1, 1, Fig. 2,and Fig. 2 is across section thereof on 3o line 2, 2, Fig. 1. Fig. 3 isavertical central sectional elevation at right angles to Fig. 1, and on aline corresponding to line 3, 3, Fig. 2. Fig. 4C is a perspective viewofthe combined burnerfand supporting frame for the in- 3 5 duction orburner tube. Fig. 5 shows a modication of the induction tube in that ithasa glass or transparent bulb or globe at its bottom about the burner,as hereinafter more fully described.

A represents the base of the burner, which, in this instance, is shownas made in a single piece and having seats a for the circulating tubes Band an air channel a', space or chamber within said base beneath saidtubes through which the heated air passes in its course out of theradiator. The tubes B are surmounted by the cap or top C of theradiator, fashioned and ornamented about its edge as taste may dictate,and provided with seats 5o c for the tops of said tubes correspondingthereof.

substantially to the seatsa t'or thelower ends This cap or top risesabove said tubes some distance and is provided with suitable open-workplate or cover D, overlapping the cap C in thisinstance, though it maycome wholly within the same. Beneath this cover within the cap issupported a curved plate E, Figs. 1 and 3, resting along its edges uponthe shoulders c of the said cap, wherebyit is held at such distanceabove the upper ends of the tubes B that a free circulating lair passageis provided beneath the plate from tube to tube.

Centrally between the two tubes B, B, and apart therefrom,is a burnertube G, suspended from a suitable seat on the cap C, and resting at itslower end upon burner frame H. This inner burner tube G, it will ybeseen, is shorter somewhat than the side tubes B, and preferably is madelarger in cross section so 7o as to be capable of carrying a suliicientsupply of air for both said tubes. The burner frame H is formed with atubularring h, having jets h at intervals, and is connected at itscenter by cross tubes h2 and with the gas 75 pipe K which passes upcentrally through the base A and serves as a support for the said frame;short shouldered arms h8 are provided on ,frame H at intervals yaboutits ring h, which serve as supports for the tube G, bear- So ing on theextremities of said arms. By this construction there is a free aircirculation from beneath both within and Without the burner ring. Whenthe burner 4has been lighted a free circulation of air is at once es'- 85 tablished upward .in the tube G and downward in the side tubes B, B,and thence out through the openings a in the front of the base A. Itwill thus be seen that the atmosphere which enters the tube G is notonly 9o heated as it enters, but is carried forward through both sets oftubes and through the entire radiator, top and' bottom. This long lineof travel with the discharge at the bottom `retards the flow ofthe airjust enough to inv sure good radiation, and in this respect differs verymaterially from a construction in which the burner is at the bottom of atube and the discharge at the top thereof. In that case there is suchfree flow of air up through :oo

the tube that radiation is greatly reduced and the heat is given offinto the upper air of the room.

In Fig. 5 we show the burner tube G provided at its lower end with atransparent globe or bulb L, which serves to give out light as Well asheat, and renders the radiator attractive as Well as doubly useful. Anyconvenient Way may be adopted for supporting the globe. In otherrespects this radiator is constructed substantially like the one shownin the remaining figures.

The openings a may be as here shown or in other parts of the base, andthe tubes B might be induction tubes and the central tube the returntube, thus reversing the order here shown; and the construction hereshown might be otherwise modified and still be Within the spirit of theinvention. There might be one very large central induction tube and fourreturn tubes, or the like.

I-Iaving thus described our invention, what We claim is- 1. The combinedradiator and air heater herein described, comprising a chalnbered base,achambered top, a central induction tube suspended from the top andhaving an open end separate from and above the base, a gas burner insaid open end, and two hot air return dues connecting the top with thebase, the said base having openings to discharge the heatedair into theroom, substantially as set forth.

2. The combined radiator and air heater herein described, comprising abase having openings in its edge through which the heated air isdischarged into the room, a chambered top, a number of tubes connectingthe base and top and opening into both, an induction tube depending fromthe top and opening into it, and terminating in an open mouth above thebase, and a burner arranged at the said open mouth to induce and heat acurrent of air which enters the chambered top through such inductiontube and thence divides into the other tubes and descends them into thebase whence it escapes into the room, substantially as set forth.

3. The combined radiator and air heater herein described, comprising abase having openings in its edge through which theheated air isdischarged into the room, a chamber-ed top, a number of tubes connectingthe base and top and opening into both, an induction tube depending fromthe top and opening into it and terminating in an open mouth above thebase, a curved plate arched over the tops of the several tubes withinthe chambered top, and a burner arranged at the said open mouth toinduce and heat a current of air which enters the chambered top throughsuch induction tube and thence divides into the other tubes and descendsthem into the base whence it escapes into the room, substantially as setforth.

Witness our hands to the foregoing specication this 27th day of March,1893.

CHARLES I. DANGLER. HENRY RUPPEL. Witnesses:

H. T. FISHER, GEORGIA SCHAEFFER.

